✦ LIBER ✦

A 5.7-GHz low-noise amplifier with source-degenerated active inductor

✍ Scribed by Chun-Hsueh Chu; I-Lun Huang; Yih-Hsia Lin; Jeng Gong

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 264 KB
Volume: 51
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.24493

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✦ Synopsis

Abstract

This article presents a novel application of the active inductor in the design of the low‐noise amplifier (LNA). To reduce the silicon area consumed by the LNA without sacrificing its linearity, the passive source‐degenerated inductor in the conventional design is replaced with the active inductor. The LNA is fabricated with a standard 0.18‐μm CMOS process. Compared with previous arts, this LNA exhibits good figure of merit based on its total power consumption of 19 mW, measured power gain of 17 dB, input third‐order intercept point of −7 dBm, and noise figure of 3.4 dB at 5.7 GHz. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1955–1958, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24493

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